218121878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{2399}}^1$

素因数の和:2696

約数の個数: 24

約数和(自身を含む): 355752000

約数和(自身を除く): 137630122

約数列:

[1, 2, 13, 26, 169, 269, 338, 538, 2399, 3497, 4798, 6994, 31187, 45461, 62374, 90922, 405431, 645331, 810862, 1290662, 8389303, 16778606, 109060939, 218121878]

約数ペア:

[(1, 218121878), (2, 109060939), (13, 16778606), (26, 8389303), (169, 1290662), (269, 810862), (338, 645331), (538, 405431), (2399, 90922), (3497, 62374), (4798, 45461), (6994, 31187)]